We will definitely consider it. We try to find an equal balance between keeping things simple and having suitable options available. We find a long list of features can be frustrating?
Regardless in the mean time you can add the following to the Custom CSS field of your templates parameters (edit to taste) which will see the color for both side column positions...
.sidecol_block .module {
color: #aaaaaa;
}
CiarĂ¡n